Added send with callback.

src/base/kernel/interfaces/IClient.h

@@ -29,6 +29,9 @@
 #include "rapidjson/fwd.h"
 
 
+#include <functional>
+
+
 namespace xmrig {
 
 
@@ -51,6 +54,8 @@ public:
         EXT_MAX
     };
 
+    using Callback = std::function<void(const rapidjson::Value &result, bool success, uint64_t elapsed)>;
+
     virtual ~IClient() = default;
 
     virtual bool disconnect()                                               = 0;
@@ -64,6 +69,7 @@ public:
     virtual const Pool &pool() const                                        = 0;
     virtual const String &ip() const                                        = 0;
     virtual int id() const                                                  = 0;
+    virtual int64_t send(const rapidjson::Value &obj, Callback callback)    = 0;
     virtual int64_t send(const rapidjson::Value &obj)                       = 0;
     virtual int64_t sequence() const                                        = 0;
     virtual int64_t submit(const JobResult &result)                         = 0;

src/base/net/stratum/BaseClient.cpp

@@ -26,6 +26,7 @@
 #include "base/kernel/interfaces/IClientListener.h"
 #include "base/net/stratum/BaseClient.h"
 #include "base/net/stratum/SubmitResult.h"
+#include "rapidjson/document.h"
 
 
 namespace xmrig {
@@ -42,6 +43,32 @@ xmrig::BaseClient::BaseClient(int id, IClientListener *listener) :
 }
 
 
+bool xmrig::BaseClient::handleResponse(int64_t id, const rapidjson::Value &result, const rapidjson::Value &error)
+{
+    if (id == 1) {
+        return false;
+    }
+
+    auto it = m_callbacks.find(id);
+    if (it != m_callbacks.end()) {
+        const uint64_t elapsed = Chrono::steadyMSecs() - it->second.ts;
+
+        if (error.IsObject()) {
+            it->second.callback(error, false, elapsed);
+        }
+        else {
+            it->second.callback(result, true, elapsed);
+        }
+
+        m_callbacks.erase(it);
+
+        return true;
+    }
+
+    return false;
+}
+
+
 bool xmrig::BaseClient::handleSubmitResponse(int64_t id, const char *error)
 {
     auto it = m_results.find(id);

src/base/net/stratum/BaseClient.h

@@ -32,6 +32,7 @@
 #include "base/kernel/interfaces/IClient.h"
 #include "base/net/stratum/Job.h"
 #include "base/net/stratum/Pool.h"
+#include "base/tools/Chrono.h"
 
 
 namespace xmrig {
@@ -70,8 +71,17 @@ protected:
         ReconnectingState
     };
 
+    struct SendResult
+    {
+        inline SendResult(Callback &&callback) : callback(callback), ts(Chrono::steadyMSecs()) {}
+
+        Callback callback;
+        const uint64_t ts;
+    };
+
     inline bool isQuiet() const { return m_quiet || m_failures >= m_retries; }
 
+    bool handleResponse(int64_t id, const rapidjson::Value &result, const rapidjson::Value &error);
     bool handleSubmitResponse(int64_t id, const char *error = nullptr);
 
     bool m_quiet                    = false;
@@ -82,6 +92,7 @@ protected:
     Job m_job;
     Pool m_pool;
     SocketState m_state             = UnconnectedState;
+    std::map<int64_t, SendResult> m_callbacks;
     std::map<int64_t, SubmitResult> m_results;
     String m_ip;
     uint64_t m_retryPause           = 5000;

src/base/net/stratum/Client.cpp

@@ -137,6 +137,16 @@ const char *xmrig::Client::tlsVersion() const
 }
 
 
+int64_t xmrig::Client::send(const rapidjson::Value &obj, Callback callback)
+{
+    assert(obj["id"] == sequence());
+
+    m_callbacks.insert({ sequence(), std::move(callback) });
+
+    return send(obj);
+}
+
+
 int64_t xmrig::Client::send(const rapidjson::Value &obj)
 {
     using namespace rapidjson;
@@ -736,6 +746,10 @@ void xmrig::Client::parseNotification(const char *method, const rapidjson::Value
 
 void xmrig::Client::parseResponse(int64_t id, const rapidjson::Value &result, const rapidjson::Value &error)
 {
+    if (handleResponse(id, result, error)) {
+        return;
+    }
+
     if (error.IsObject()) {
         const char *message = error["message"].GetString();
 

src/base/net/stratum/Client.h

@@ -77,6 +77,7 @@ protected:
     bool isTLS() const override;
     const char *tlsFingerprint() const override;
     const char *tlsVersion() const override;
+    int64_t send(const rapidjson::Value &obj, Callback callback) override;
     int64_t send(const rapidjson::Value &obj) override;
     int64_t submit(const JobResult &result) override;
     void connect() override;

src/base/net/stratum/DaemonClient.h

@@ -58,6 +58,7 @@ protected:
     inline const char *mode() const override                            { return "daemon"; }
     inline const char *tlsFingerprint() const override                  { return m_tlsFingerprint; }
     inline const char *tlsVersion() const override                      { return m_tlsVersion; }
+    inline int64_t send(const rapidjson::Value &, Callback) override    { return -1; }
     inline int64_t send(const rapidjson::Value &) override              { return -1; }
     inline void deleteLater() override                                  { delete this; }
     inline void tick(uint64_t) override                                 {}

src/base/net/stratum/SelfSelectClient.cpp

@@ -122,7 +122,7 @@ bool xmrig::SelfSelectClient::parseResponse(int64_t id, rapidjson::Value &result
 
     submitBlockTemplate(result);
 
-    m_listener->onJobReceived(this, m_job, rapidjson::Value{});
+
 
     return true;
 }
@@ -207,7 +207,9 @@ void xmrig::SelfSelectClient::submitBlockTemplate(rapidjson::Value &result)
 
     JsonRequest::create(doc, sequence(), "block_template", params);
 
-    send(doc);
+    send(doc, [this](const rapidjson::Value &result, bool success, uint64_t elapsed) {
+        m_listener->onJobReceived(this, m_job, rapidjson::Value{});
+    });
 }
 
 

src/base/net/stratum/SelfSelectClient.h

@@ -58,6 +58,7 @@ protected:
     inline const Pool &pool() const override                                        { return m_client->pool(); }
     inline const String &ip() const override                                        { return m_client->ip(); }
     inline int id() const override                                                  { return m_client->id(); }
+    inline int64_t send(const rapidjson::Value &obj, Callback callback) override    { return m_client->send(obj, callback); }
     inline int64_t send(const rapidjson::Value &obj) override                       { return m_client->send(obj); }
     inline int64_t sequence() const override                                        { return m_client->sequence(); }
     inline int64_t submit(const JobResult &result) override                         { return m_client->submit(result); }

src/base/net/stratum/SubmitResult.h

@@ -35,34 +35,26 @@ namespace xmrig {
 class SubmitResult
 {
 public:
-    inline SubmitResult() :
+    SubmitResult() = default;
-        reqId(0),
-        seq(0),
-        actualDiff(0),
-        diff(0),
-        elapsed(0),
-        m_start(0)
-    {}
 
     inline SubmitResult(int64_t seq, uint64_t diff, uint64_t actualDiff, int64_t reqId = 0) :
         reqId(reqId),
         seq(seq),
         actualDiff(actualDiff),
         diff(diff),
-        elapsed(0),
         m_start(Chrono::steadyMSecs())
     {}
 
     inline void done() { elapsed = Chrono::steadyMSecs() - m_start; }
 
-    int64_t reqId;
+    int64_t reqId           = 0;
-    int64_t seq;
+    int64_t seq             = 0;
-    uint64_t actualDiff;
+    uint64_t actualDiff     = 0;
-    uint64_t diff;
+    uint64_t diff           = 0;
-    uint64_t elapsed;
+    uint64_t elapsed        = 0;
 
 private:
-    uint64_t m_start;
+    uint64_t m_start        = 0;
 };